US3811906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold powder
Assignee: EIDP Inc
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Filing: 1973-03-21
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Granted: 1974-05-21
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Expires: 1993-03-21
Abstract
Abstract Metallizing compositions of certain percipitated gold flakes and spheres in a liquid vehicle, useful for printing patterns in the electronics industries.
Inventors
- 👤 O Short
- 👤 R Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:55
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/62; B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/24; C22; C22B; C22B11/00; C22B11/04; C22B3/00; C22B3/20; C22B3/26; C22B3/262; C22B3/40; C22B3/402; B22F2998/00; C01; C01P; C01P2004/00; C01P2004/20; C01P2004/30; C01P2004/32; C01P2004/60; C01P2004/61; C01P2004/62; H; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A metallizing composition in accordance with claim 1 also containing metal from the group consisting of platinum, palladium, silver, ruthenium, rhodium, osmium, iridium, alloys thereof, and mixtures thereof.
Claim 2
Dependent Claim
20 words
A metallizing composition in accordance with claim 1, wherein the gold flakes are approximately 1-15 microns across their widest surface.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |